高一數學有關分數化簡的題目:－線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍

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高一數學有關分數化簡的題目

Aug 19th 2013, 03:36

這類題目真的不知道怎麼解
請高手幫我解答，還有告訴我看到題目該如何化簡...
拜託了~~~

框起來的都是一個分數..
(1)(1/x-1) - (1/x+1) - (2/x^2+1) - (4/x^4+1)

(2)(3x-2/x^2-5x+6) - (2x-1/x^2-3x+2)

(3)(x^2+2x+1/x-3) * (x^2+5x-6/x^2-1) ÷ (x^3+1/x^2-5x+6)

(4)(x/1-x)+(1+x/x) / (x/1+x)-(1+x/x)→分數-分數分之分數+分數

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